sulfa drug

noun

Any of a group of antibiotic drugs structurally related to sulphonamide, tending to be bacteriostatic rather than bacteriocidal.

Similar
sulfasulphasulfonamide
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Meanings

nounsulfa drug (plural sulfa drugs)

plural sulfa drugs

  1. Any of a group of antibiotic drugs structurally related to sulphonamide, tending to be bacteriostatic rather than bacteriocidal.

Synonyms & antonyms

nounantibacterial consisting of any of several synthetic organic compounds capable of inhibiting the growth of bacteria that require PABA

Similar
sulfasulphasulfonamide
Broader
antibacterialantibacterial drugbactericide
Also see
sulfasulfonamidesulpha

Synonym sets from Open English WordNet, CC BY 4.0.

Cite this entry
APA

sulfa drug. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/sulfa%20drug

MLA

“sulfa drug.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/sulfa%20drug. Accessed November 5, 2026.

Chicago

WatkinsX Dictionary, s.v. “sulfa drug,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/sulfa%20drug.

Source: sulfa drug on Wiktionary, CC BY-SA 4.0.